package Gruntmaster::Page::Pb;

use 5.014000;
use strict;
use warnings;
use parent qw/Exporter/;
our @EXPORT_OK = qw/generate/;
our $VERSION = '0.001';

use constant TITLE => 'Problems';

use Fcntl qw/:flock/;
use HTML::Template::Compiled;
use IO::File;
use POSIX qw/strftime/;
use Gruntmaster::Page::Common qw/header footer/;
use Gruntmaster::Data qw/problem_name problem_level problems/;

my %templates = (
  en => <<'HTML',
<tmpl_if levels>
<h2>Beginner</h2>
<ul>
<tmpl_loop beginner><li><a href="<tmpl_var id>"><tmpl_var name></a>
</tmpl_loop></ul>

<h2>Easy</h2>
<ul>
<tmpl_loop easy><li><a href="<tmpl_var id>"><tmpl_var name></a>
</tmpl_loop></ul>

<h2>Medium</h2>
<ul>
<tmpl_loop medium><li><a href="<tmpl_var id>"><tmpl_var name></a>
</tmpl_loop></ul>

<h2>Hard</h2>
<ul>
<tmpl_loop hard><li><a href="<tmpl_var id>"><tmpl_var name></a>
</tmpl_loop></ul>

<tmpl_else>
<ul>
<tmpl_loop problems><li><a href="<tmpl_var id>"><tmpl_var name></a>
</tmpl_loop></ul>
</tmpl_if>
HTML
);

$templates{$_}  = header($_, TITLE) . $templates{$_} for keys %templates;
$templates{$_} .= footer $_ for keys %templates;

sub generate{
	$_[0] =~ m,^(?:ct/([^/]+)/)?pb/index.html$,;
	local $Gruntmaster::Data::contest = $1;

	my $htc = HTML::Template::Compiled->new(scalarref => \$templates{$_[1]});
	my @problems = sort { $b->{name} cmp $a->{name} } map +{
		id    => $_,
		name  => problem_name,
		level => problem_level}, problems;
	for my $d (qw/beginner easy medium advanced hard/) {
		$htc->param($d => [grep {$_->{level} and $_->{level} eq $d} @problems]);
	}
	$htc->param(levels => grep { $_->{level} } @problems);
	$htc->param(problems => \@problems);
	$htc->output
}

1
